package topic

import (
	"fmt"
	"github.com/golangkit/formatime"
	"gorm.io/gorm"
	"live/app/lib/db"
)

type Topic struct {
	db.BaseModel
	Id        uint             `gorm:"column:id" json:"id"`
	Title     string           `gorm:"column:title" json:"title"`
	Substance uint             `gorm:"column:substance" json:"substance"`
	Partake   uint             `gorm:"column:partake" json:"partake"`
	CreatedAt formatime.Second `gorm:"column:created_at" json:"createdAt"`
	UpdatedAt formatime.Second `gorm:"column:updated_at" json:"updatedAt"`
	IsDel     int              `gorm:"column:is_del" json:"isDel"`
	IsHot     int              `gorm:"column:is_hot" json:"isHot"`
	TopicImg  string           `gorm:"column:topic_img" json:"topicImg"`
}

// 插入
func (t *Topic) Create(topic *Topic) uint {
	t.GetDb().Create(topic)
	if topic.Id > 0 {
		return topic.Id
	}
	return 0
}

// @Title 获取热门列表
func (t *Topic) GetHotlist(count int) (result []Topic) {
	t.GetDb().Model(t).Where("is_del = ? and is_hot = ?", 0, 1).Limit(count).Find(&result)
	return
}

// @Title 根据关键字检索话题列表
func (t *Topic) Getlist(keyword string, start, limit int) (result []Topic) {
	t.GetDb().Model(t).Where("is_del = ? and title like ?", 0, fmt.Sprintf("%%%v%%", keyword)).
		Limit(limit).Offset(start).Find(&result)
	return
}

// @Title 根据关键字检索话题列表数量
func (t *Topic) GetlistCount(keyword string) (result int64) {
	t.GetDb().Model(t).Where("is_del = ? and title like ?", 0, fmt.Sprintf("%%%v%%", keyword)).
		Count(&result)
	return
}

// @Title 根据ids获取列表
func (t *Topic) GetlistByIds(topicIds []uint) (result []Topic) {
	t.GetDb().Model(t).Where("is_del = ? and id in ?", 0, topicIds).Find(&result)
	return
}

// @Title 根据id获取单条数据
func (t *Topic) GetById(topicId uint) (result Topic) {
	if topicId <= 0 {
		return
	}
	result.Id = topicId
	t.GetDb().First(&result)
	return
}

// @Title 添加参与人
func (t *Topic) AddSubstance(topicId uint) int64 {
	if topicId <= 0 {
		return 0
	}
	return t.GetDb().Model(t).Where(Topic{Id: topicId}).Update("substance", gorm.Expr("substance + ?", 1)).RowsAffected
}

// @Title 添加内容数
func (t *Topic) AddPartake(topicId uint) int64 {
	if topicId <= 0 {
		return 0
	}
	return t.GetDb().Model(t).Where(Topic{Id: topicId}).Update("partake", gorm.Expr("partake + ?", 1)).RowsAffected
}

// @Title 获取话题
func (t *Topic) GetByTitle(title string) (result Topic) {
	if title == "" {
		return
	}
	t.GetDb().Model(t).Where("title = ?", title).First(&result)
	return
}